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[BLOCK] ll_rw_blk: make max_sectors and max_hw_sectors unsigned ints

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IDE lba48 can support full 64k request size, which overflows the
max_hw_sectors variable.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe 2006-01-17 09:04:32 +01:00 committed by Jens Axboe
parent 3ee68c4af3
commit 2cb2e147a6
2 changed files with 4 additions and 4 deletions
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2
block/ll_rw_blk.c
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@ -662,7 +662,7 @@ EXPORT_SYMBOL(blk_queue_bounce_limit);
* Enables a low level driver to set an upper limit on the size of
* received requests.
**/
void blk_queue_max_sectors(request_queue_t *q, unsigned short max_sectors)
void blk_queue_max_sectors(request_queue_t *q, unsigned int max_sectors)
{
if ((max_sectors << 9) < PAGE_CACHE_SIZE) {
max_sectors = 1 << (PAGE_CACHE_SHIFT - 9);

6
include/linux/blkdev.h
View file

@ -392,8 +392,8 @@ struct request_queue
unsigned int nr_congestion_off;
unsigned int nr_batching;
unsigned short max_sectors;
unsigned short max_hw_sectors;
unsigned int max_sectors;
unsigned int max_hw_sectors;
unsigned short max_phys_segments;
unsigned short max_hw_segments;
unsigned short hardsect_size;
@ -697,7 +697,7 @@ extern request_queue_t *blk_init_queue(request_fn_proc *, spinlock_t *);
extern void blk_cleanup_queue(request_queue_t *);
extern void blk_queue_make_request(request_queue_t *, make_request_fn *);
extern void blk_queue_bounce_limit(request_queue_t *, u64);
extern void blk_queue_max_sectors(request_queue_t *, unsigned short);
extern void blk_queue_max_sectors(request_queue_t *, unsigned int);
extern void blk_queue_max_phys_segments(request_queue_t *, unsigned short);
extern void blk_queue_max_hw_segments(request_queue_t *, unsigned short);
extern void blk_queue_max_segment_size(request_queue_t *, unsigned int);